TREBLAB HD-Force - Advanced Features and Operations; Phone Call Management

PHONE CALLS
TREBLAB HD-Force can be used to make and receive phone calls when
connected wirelessly. Audio playback will be paused during calls.
To answer/end a call Press the PLAY / PAUSE button
To reject a call Press and hold the PLAY / PAUSE button for
2 seconds
To redial Press and hold the PLAY / PAUSE button for
2 seconds
NOTE: For better call quality, face the microphone when you speak.